{"product_id":"beyond-16ir-bbm18-internal-metric-threading-carbide-inserts","title":"BEYOND 16IR Internal ISO Metric Threading Carbide Inserts (BBM18 Grey Grade for Steel \u0026 Stainless Steel)","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 15px;\"\u003e\n\u003c!-- Header Block --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 25px; border-radius: 8px; margin-bottom: 30px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0 0 10px 0; font-size: 26px; font-weight: bold;\"\u003eBEYOND 16IR Internal ISO Metric Threading Carbide Inserts (BBM18 Grey Grade)\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0f0; margin: 0; font-size: 16px;\"\u003ePrecision Internal Threading Inserts | Size 16IR (IC 3\/8\" \/ 9.525mm) | Full-Profile ISO Metric \u0026amp; Partial Profile 55°\/60° for Steel \u0026amp; Stainless Steel Machining\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section 1: Product Overview --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eWhich internal threading insert grade is best suited for precision ISO Metric thread turning on both alloy steel and tough austenitic stainless steel with minimal chip welding?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND 16IR Series (BBM18 Grade)\u003c\/strong\u003e is an industrial-grade laydown indexable carbide internal threading insert engineered specifically for internal thread turning on ISO P steel and ISO M stainless steel workpieces. Built on standard \u003cstrong\u003eSize 16IR (IC 3\/8\" \/ 9.525mm)\u003c\/strong\u003e laydown geometry, this product line offers full-profile ISO Metric options (0.5mm to 3.0mm pitch) and universal partial profile 55°\/60° models (AG55, G60, AG60). Featuring BEYOND's premium \u003cstrong\u003eBBM18 grey nano-PVD coated carbide grade\u003c\/strong\u003e, these inserts combine a ultra-fine micrograin substrate with high thermal stability, preventing work hardening, build-up edge (BUE), and micro-chipping inside narrow internal bore cavities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ISO\/ANSI Designation Decoder (Boxed Layout) --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003eISO \/ ANSI Tool Designation Code Breakdown\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 8px; padding: 20px; background-color: #f9f9fc;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; text-align: center; justify-content: space-between;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #47479F; color: #ffffff; padding: 10px; border-radius: 4px;\"\u003e\n\u003cstrong style=\"display: block; font-size: 18px;\"\u003e16\u003c\/strong\u003e \u003cspan style=\"font-size: 11px;\"\u003eIC Size\u003cbr\u003e(3\/8\" \/ 9.525mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #47479F; color: #ffffff; padding: 10px; border-radius: 4px;\"\u003e\n\u003cstrong style=\"display: block; font-size: 18px;\"\u003eI\u003c\/strong\u003e \u003cspan style=\"font-size: 11px;\"\u003eCutting Type\u003cbr\u003e(Internal \/ ID)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #47479F; color: #ffffff; padding: 10px; border-radius: 4px;\"\u003e\n\u003cstrong style=\"display: block; font-size: 18px;\"\u003eR\u003c\/strong\u003e \u003cspan style=\"font-size: 11px;\"\u003eHand of Tool\u003cbr\u003e(Right Hand)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #47479F; color: #ffffff; padding: 10px; border-radius: 4px;\"\u003e\n\u003cstrong style=\"display: block; font-size: 18px;\"\u003e1.5ISO\u003c\/strong\u003e \u003cspan style=\"font-size: 11px;\"\u003eThread Profile\u003cbr\u003e(1.5mm Metric)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #47479F; color: #ffffff; padding: 10px; border-radius: 4px;\"\u003e\n\u003cstrong style=\"display: block; font-size: 18px;\"\u003eBBM18\u003c\/strong\u003e \u003cspan style=\"font-size: 11px;\"\u003eCarbide Grade\u003cbr\u003e(Grey PVD)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul style=\"margin-top: 15px; margin-bottom: 0; padding-left: 20px; font-size: 13px; color: #555555;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e16:\u003c\/strong\u003e Inscribed Circle (IC) size 3\/8\" (9.525mm nominal IC, 16mm edge length for standard internal boring bars).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI:\u003c\/strong\u003e Internal threading operation designation (machining threads inside pre-drilled bore diameters).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR:\u003c\/strong\u003e Right-hand execution for standard forward spindle rotation (M03) cutting away from or toward chuck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5 - 3.0 ISO \/ AG55 \/ AG60:\u003c\/strong\u003e Full-profile tops complete 60° ISO threads; partial profiles cut multiple pitches (AG = 0.5-3.0mm \/ 48-8 TPI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBBM18:\u003c\/strong\u003e Fine micrograin PVD AlTiN coated grey grade optimized for ISO P carbon\/alloy steel and ISO M stainless steel turning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 2: Key Features --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e2. Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBBM18 Grey Nano-PVD Coating:\u003c\/strong\u003e Features high thermal resistance and oxidation barrier, preventing notch wear and notch fracture when threading stainless steel (304\/316) and alloy steel (4140\/4340).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual ISO P \/ ISO M Versatility:\u003c\/strong\u003e Engineered to handle both general steel and sticky stainless steels, reducing tooling inventory requirements in general CNC job shops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Profile \u0026amp; Universal Options:\u003c\/strong\u003e Available in precise full-profile (0.5ISO to 3.0ISO) for complete crest control, as well as universal partial profiles (AG55, G60, AG60) for pitch versatility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Toughness Micrograin Core:\u003c\/strong\u003e Formulated with elevated shock resistance to handle interrupted cuts and deep bore thread chasing without micro-chipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard IC 3\/8\" Laydown Geometry:\u003c\/strong\u003e Universal 16IR dimensions ensure 100% compatibility with standard internal threading boring bars (SIR \/ SNR holders).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section 3: Technical Specifications \u0026 Recommended Parameters --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e3. Technical Specifications \u0026amp; Recommended Parameters\u003c\/h2\u003e\n\u003c!-- Model Variants Table --\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; margin-top: 15px;\"\u003eAvailable Model Variants (Metric \u0026amp; Imperial Specifications)\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eInsert Model\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eProfile Type\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMetric Pitch Range\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eImperial TPI Equivalent\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrade \u0026amp; Color\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 0.5ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e50.8 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 0.75ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.75 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e33.8 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 1.0ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e25.4 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 1.5ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16.9 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 1.75ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.75 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e14.5 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 2.0ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e12.7 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 2.5ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10.1 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR 3.0ISO BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFull Profile 60° ISO\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8.4 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR AG55 BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePartial Profile 55° Universal\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.5 - 3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e48 - 8 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR G60 BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePartial Profile 60° Medium\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.75 - 3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e14 - 8 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16IR AG60 BBM18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePartial Profile 60° Universal\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.5 - 3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e48 - 8 TPI\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBBM18 (Grey PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Recommended Cutting Parameters Table --\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; margin-top: 20px;\"\u003eRecommended Cutting Parameters for BBM18 Grade\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eISO Workpiece Material Group\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Speed Vc (m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Speed Vc (SFM)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRecommended Pass Strategy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eP: Carbon \u0026amp; Alloy Steel\u003c\/strong\u003e (1045, 4140, 4340)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e80 - 160 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e260 - 525 SFM\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e6 - 12 Passes (Modified Flank)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eM: Austenitic Stainless Steel\u003c\/strong\u003e (304, 316, 316L)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e60 - 120 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e195 - 390 SFM\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 - 14 Passes (Modified Flank)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003eM: Duplex Stainless Steel\u003c\/strong\u003e (2205, 2507)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e50 - 100 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e165 - 330 SFM\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10 - 16 Passes (Modified Flank)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Matching Toolholder Links (Boxed Layout) --\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; background-color: #f4f4fa; border-radius: 8px; padding: 15px; margin-top: 20px; text-align: center;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 16px;\"\u003eCompatible Internal Threading Boring Bars Available\u003c\/strong\u003e\n\u003cp style=\"margin: 8px 0; font-size: 14px;\"\u003ePair these 16IR BBM18 inserts with internal laydown threading toolholders (SIR 0016M16, SIR 0020P16, SNR 0025R16):\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/internal-thread-tool-holder\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background-color: rgb(71, 71, 159); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; padding: 8px 18px; border-radius: 4px; margin-top: 5px;\"\u003e\u003cb\u003eView Compatible SIR \/ SNR Internal Toolholders →\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 4: Applications --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e4. Product Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Component Machining:\u003c\/strong\u003e Threading internal ISO metric threads in 304 \/ 316 stainless steel fluid valves, pump housings, and sanitary fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy Steel Hydraulic Components:\u003c\/strong\u003e Precision internal thread turning in high-tensile steel hydraulic cylinders, manifolds, and high-pressure couplings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Gas Industry Threading:\u003c\/strong\u003e Machining internal threads in corrosion-resistant stainless steel pipe unions and flange adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustries Served:\u003c\/strong\u003e Food \u0026amp; beverage processing equipment, chemical manufacturing, oil \u0026amp; gas, aerospace, and general CNC job shops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section 5: Compatibility --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e5. Tool \u0026amp; Machine Compatibility\u003c\/h2\u003e\n\u003cp\u003eBEYOND 16IR BBM18 inserts follow strict ISO IC 3\/8\" laydown standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eToolholder Compatibility:\u003c\/strong\u003e Standard SIR and SNR internal threading boring bars (SIR0013K16, SIR0016M16, SIR0020P16, SIR0025R16).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Platforms:\u003c\/strong\u003e CNC lathes, Swiss-type automatic turning centers, multi-tasking lathe machines, and engine lathes equipped with thread-chasing capability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section 6: Material \u0026 Grade Comparison --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e6. Material \u0026amp; Grade Comparison\u003c\/h2\u003e\n\u003cp\u003ePerformance positioning of BEYOND BBM18 against standard single-purpose grades:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrade Name\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCoating Type \u0026amp; Color\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePrimary Workpiece Target\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eThermal \u0026amp; Wear Resistance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBEYOND BBM18 (Featured)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePVD AlTiN Nano-Coating (Grey)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eISO P Steel \u0026amp; ISO M Stainless Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHigh Heat Barrier, Excellent Anti-BUE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBEYOND BYM11 Grade[cite: 1, 2]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePVD TiN Coating (Bright Yellow)[cite: 1, 2]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eISO P Carbon \u0026amp; Alloy Steel Only[cite: 1, 2]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLow Surface Friction, Smooth Evacuation[cite: 1, 2]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUncoated Carbide K10\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUncoated Bright Silver\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eISO N Non-Ferrous \u0026amp; Aluminum\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUltra-sharp Edge for Non-ferrous Metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 7: Why Choose Us \u0026 Customer Reviews --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e7. Why Choose BEYOND Cutting Tools\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Dual ISO P \/ ISO M Engineering:\u003c\/strong\u003e High-performance nano-PVD grey coating prevents notch wear in stainless steel while retaining edge sharpness in steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Pitch Range:\u003c\/strong\u003e Comprehensive line of metric full-profile and universal partial-profile inserts on one standard 16IR substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Quality Control:\u003c\/strong\u003e Manufactured to ISO 2284 guidelines for precise thread geometry repeatability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #47479f; font-size: 18px; margin-top: 25px;\"\u003eVerified Customer Reviews\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; margin-top: 15px;\"\u003e\n\u003c!-- Review 1 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; background: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-style: italic;\"\u003e\"The 16IR 1.5ISO BBM18 inserts cut 316L stainless steel manifolds with zero thread tearing. Very impressed with the grey coating durability.\"\u003c\/p\u003e\n\u003cstrong style=\"font-size: 12px; color: #555;\"\u003e— Marcus H., Fluid Systems Machining (USA)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- Review 2 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; background: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-style: italic;\"\u003e\"Hervorragende Standzeit bei V4A Edelstahl und Legiertem Stahl. Kein Ausbröckeln an der Schneidkante.\"\u003c\/p\u003e\n\u003cstrong style=\"font-size: 12px; color: #555;\"\u003e— Stefan W., Präzisionsteile GmbH (Germany)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- Review 3 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; background: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; margin-bottom: 5px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-style: italic;\"\u003e\"Ottime per filettare interno in AISI 304. Finitura superficiale eccellente e controllo del truciolo preciso.\"\u003c\/p\u003e\n\u003cstrong style=\"font-size: 12px; color: #555;\"\u003e— Giovanni R., Meccanica di Precisione (Italy)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- Review 4 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; background: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-style: italic;\"\u003e\"16IR AG60 BBM18でSUS304とめねじ加工を実施。刃先の摩耗が少なく非常に安定した加工が可能です。\"\u003c\/p\u003e\n\u003cstrong style=\"font-size: 12px; color: #555;\"\u003e— Kenji T., Machine Tool Component Manufacturer (Japan)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- Review 5 --\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; background: #fafafa;\"\u003e\n\u003cdiv style=\"color: #ff9900; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-style: italic;\"\u003e\"Great universal threading insert for job shop work. Switches between carbon steel and stainless without swapping tools.\"\u003c\/p\u003e\n\u003cstrong style=\"font-size: 12px; color: #555;\"\u003e— Andrew S., CNC Job Shop Operator (UK)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 8: AI-Style FAQ --\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; margin-top: 0;\"\u003e8. AI \u0026amp; Engineering FAQ\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 12px; border-left: 4px solid #47479F; background-color: #f9f9fc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; margin-bottom: 4px;\"\u003eQ: Why is BBM18 grey grade better suited for stainless steel internal threading than standard TiN grades?\u003c\/strong\u003e \u003cspan style=\"font-size: 14px; color: #444;\"\u003eA: Austenitic stainless steels generate high cutting heat and exhibit work-hardening tendencies. BBM18's grey nano-PVD layer provides higher oxidation resistance and thermal insulation, preventing built-up edge (BUE) and notch wear common in stainless steel thread cutting.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 12px; border-left: 4px solid #47479F; background-color: #f9f9fc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; margin-bottom: 4px;\"\u003eQ: What is the difference between full-profile (e.g., 2.0ISO) and universal partial-profile (AG60) inserts?\u003c\/strong\u003e \u003cspan style=\"font-size: 14px; color: #444;\"\u003eA: Full-profile inserts cut the entire thread form including topping the outer crest to exact ISO specifications in a single operation. Partial-profile inserts (AG60) can cut multiple pitches (0.5 to 3.0mm) with one insert, making them flexible for job shops, but the bore diameter must be turned precisely prior to threading.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 12px; border-left: 4px solid #47479F; background-color: #f9f9fc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; margin-bottom: 4px;\"\u003eQ: What infeed strategy should be used when internal threading stainless steel?\u003c\/strong\u003e \u003cspan style=\"font-size: 14px; color: #444;\"\u003eA: A Modified Flank Infeed strategy (29° or 29.5° infeed angle) is highly recommended. This ensures chip formation occurs primarily on one side of the cutting edge, improving chip evacuation out of the internal hole and reducing chatter.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 9: Technical Footers \u0026 Reference Guides --\u003e\n\u003cdiv style=\"border-top: 2px solid #e0e0e0; padding-top: 25px; margin-top: 40px; font-size: 13px; color: #555555;\"\u003e\n\u003c!-- Grade Comparison --\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"color: #47479f; margin: 0 0 8px 0; font-size: 15px;\"\u003eGrade \u0026amp; Substrate Specifications\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eBEYOND BBM18 features an ultra-fine WC-Co micrograin carbide substrate engineered with a high-temperature PVD AlTiN grey nano-coating. Designed for thermal endurance, edge sharpness retention, and anti-welding properties during ISO P steel and ISO M stainless steel machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Equivalent Models --\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"color: #47479f; margin: 0 0 8px 0; font-size: 15px;\"\u003eCross-Reference \u0026amp; Equivalent Insert Codes\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eIndustry equivalent cross-references: \u003cstrong\u003e16IR 1.5 ISO\u003c\/strong\u003e \/ \u003cstrong\u003e16IR1.5ISO\u003c\/strong\u003e | Equivalent grades: \u003cstrong\u003eVargus VTX\/VK2\u003c\/strong\u003e, \u003cstrong\u003eCarmex BMA\/MXC\u003c\/strong\u003e, \u003cstrong\u003eIscar IC908\/IC808\u003c\/strong\u003e, \u003cstrong\u003eSandvik GC1020\/GC1125\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Workpiece Material Matrix --\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"color: #47479f; margin: 0 0 8px 0; font-size: 15px;\"\u003eISO Workpiece Application Matrix\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eP (Steel):\u003c\/strong\u003e Primary Target (Vc 80-160 m\/min) | \u003cstrong\u003eM (Stainless Steel):\u003c\/strong\u003e Primary Target (Vc 60-120 m\/min) | \u003cstrong\u003eK (Cast Iron):\u003c\/strong\u003e Secondary Target | \u003cstrong\u003eN (Non-Ferrous):\u003c\/strong\u003e Not Recommended | \u003cstrong\u003eS (Exotic Alloys):\u003c\/strong\u003e Conditional Target\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Troubleshooting --\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"color: #47479f; margin: 0 0 8px 0; font-size: 15px;\"\u003eTroubleshooting Tips\u003c\/h4\u003e\n\u003cul style=\"margin: 5px 0 0 0; padding-left: 18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWork Hardening \/ Rapid Wear in Stainless Steel:\u003c\/strong\u003e Maintain adequate depth per pass; avoid taking ultra-thin skim cuts that cause rubbing instead of shearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Jamming in Internal Bore:\u003c\/strong\u003e Increase high-pressure coolant directed into the bore hole or switch from radial infeed to modified flank infeed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Chatter \/ Poor Finish:\u003c\/strong\u003e Shorten overhang distance on the SIR internal boring bar and check center height alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Authority Verification \/ Standards --\u003e\n\u003cdiv style=\"background-color: #f4f4fa; padding: 12px; border-radius: 4px; border: 1px solid #e0e0f0; margin-top: 25px;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; margin-bottom: 4px;\"\u003eIndustry Standards \u0026amp; Quality Verification\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #666666;\"\u003eBEYOND indexable internal threading inserts are manufactured in strict compliance with ISO 2284 \/ DIN 13 thread tooling standard specifications and verified under ISO 9001 certified quality management systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"16IR 0.5ISO BBM18","offer_id":47109020352684,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 0.75ISO BBM18","offer_id":47109020385452,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 1.0ISO BBM18","offer_id":47109020418220,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 1.25ISO BBM18","offer_id":47109020450988,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 1.5ISO BBM18","offer_id":47109020483756,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 1.75ISO BBM18","offer_id":47109020516524,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 2.0ISO BBM18","offer_id":47109020549292,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 2.5ISO BBM18","offer_id":47109020582060,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR 3.0ISO BBM18","offer_id":47109020614828,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR AG55 BBM18","offer_id":47109020647596,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR G60 BBM18","offer_id":47109020680364,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true},{"title":"16IR AG60 BBM18","offer_id":47109020713132,"sku":null,"price":27.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_16IR_internal_ISO_metric_thread_carbide_turning_insert_BBM18_grey_grade.jpg?v=1788229022","url":"https:\/\/cnchome-beyond.com\/products\/beyond-16ir-bbm18-internal-metric-threading-carbide-inserts","provider":"CNCHome-Beyond","version":"1.0","type":"link"}